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| author | kwolekr <kwolekr@minetest.net> | 2015-05-17 00:04:51 -0400 |
|---|---|---|
| committer | kwolekr <kwolekr@minetest.net> | 2015-05-17 00:04:51 -0400 |
| commit | 28b2476b11875f0f13335a410f1f00c6a3fd81be (patch) | |
| tree | 5bf020305d9950a0b2fcd7649174178a56cfdb44 /src/noise.cpp | |
| parent | c00b6812b116c7e08eaf00c52504aa7b93a936a1 (diff) | |
| download | minetest-28b2476b11875f0f13335a410f1f00c6a3fd81be.tar.gz minetest-28b2476b11875f0f13335a410f1f00c6a3fd81be.tar.bz2 minetest-28b2476b11875f0f13335a410f1f00c6a3fd81be.zip | |
Noise: Fix interpolation at negative coordinates
Diffstat (limited to 'src/noise.cpp')
| -rw-r--r-- | src/noise.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/noise.cpp b/src/noise.cpp index 8c42be3cf..826593474 100644 --- a/src/noise.cpp +++ b/src/noise.cpp @@ -590,8 +590,9 @@ void Noise::gradientMap2D( int seed) { float v00, v01, v10, v11, u, v, orig_u; - u32 index, i, j, x0, y0, noisex, noisey; + u32 index, i, j, noisex, noisey; u32 nlx, nly; + s32 x0, y0; bool eased = np.flags & (NOISE_FLAG_DEFAULTS | NOISE_FLAG_EASED); Interp2dFxn interpolate = eased ? @@ -655,8 +656,9 @@ void Noise::gradientMap3D( float v000, v010, v100, v110; float v001, v011, v101, v111; float u, v, w, orig_u, orig_v; - u32 index, i, j, k, x0, y0, z0, noisex, noisey, noisez; + u32 index, i, j, k, noisex, noisey, noisez; u32 nlx, nly, nlz; + s32 x0, y0, z0; Interp3dFxn interpolate = (np.flags & NOISE_FLAG_EASED) ? triLinearInterpolation : triLinearInterpolationNoEase; |